ABC\u2019s Castleactress Tamala Jones, is set to produce a biopic of iconic Motown singer Tammi Terrell. The film will be based on the book My Sister Tammie written by Terrell\u2019s sister Ludie Montgomery, who is also behind the production. Taraji P. Henson may land the leading role. Terrell was a darling of r&b, born in Philadelphia and signed by Motown in the mid-60s where she enjoyed a string of hits alongside the marvelous Marvin Gaye. Tammi Terrell died tragically of a brain tumor at just 24 years of age, cutting short a career. Their is no tentative release date yet.